/**
 * Online Android License Management System - Admin Dashboard CSS
 * Bootstrap 5 Dark Theme Specification:
 * Background: #0f1117 | Sidebar: #161b22 | Cards: #1c2128 | Accent: #58a6ff
 * Success: #3fb950 | Warning: #d29922 | Danger: #f85149
 */

:root {
    --bg-main: #0f1117;
    --bg-sidebar: #161b22;
    --bg-card: #1c2128;
    --bg-card-hover: #22272e;
    --bg-input: #0d1117;
    --border-color: #30363d;
    --border-light: #444c56;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-blue: #58a6ff;
    --accent-hover: #79b8ff;
    --success-green: #3fb950;
    --warning-yellow: #d29922;
    --danger-red: #f85149;
    --sidebar-width: 260px;
    --header-height: 64px;
}

body {
    background-color: var(--bg-main) !important;
    color: var(--text-primary) !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #484f58;
}

/* Layout Structure */
#wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* Sidebar */
#sidebar-wrapper {
    width: var(--sidebar-width);
    min-height: 100vh;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    transition: margin 0.25s ease-out;
    display: flex;
    flex-direction: column;
    z-index: 1040;
    flex-shrink: 0;
}

.sidebar-heading {
    padding: 1.25rem 1.5rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    letter-spacing: -0.2px;
}

.sidebar-heading i {
    color: var(--accent-blue);
    font-size: 1.4rem;
}

.sidebar-nav {
    list-style: none;
    padding: 1rem 0.75rem;
    margin: 0;
    flex-grow: 1;
}

.sidebar-nav .nav-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    font-weight: 700;
    padding: 0.75rem 1rem 0.35rem 1rem;
}

.sidebar-nav .nav-item {
    margin-bottom: 0.25rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 0.7rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.925rem;
    font-weight: 500;
    transition: all 0.15s ease-in-out;
}

.sidebar-nav .nav-link i {
    font-size: 1.2rem;
    margin-right: 0.85rem;
    width: 22px;
    text-align: center;
    color: var(--text-secondary);
    transition: color 0.15s ease-in-out;
}

.sidebar-nav .nav-link:hover {
    color: #fff;
    background-color: rgba(88, 166, 255, 0.12);
}

.sidebar-nav .nav-link:hover i {
    color: var(--accent-blue);
}

.sidebar-nav .nav-link.active {
    color: #fff;
    background-color: rgba(88, 166, 255, 0.18);
    font-weight: 600;
    border-left: 3px solid var(--accent-blue);
}

.sidebar-nav .nav-link.active i {
    color: var(--accent-blue);
}

.sidebar-nav .nav-link .badge {
    margin-left: auto;
    font-size: 0.75rem;
    padding: 0.25em 0.6em;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.15);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Page Content Wrapper */
#page-content-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background-color: var(--bg-main);
}

/* Header Navbar */
.top-navbar {
    height: var(--header-height);
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1030;
}

.top-navbar .nav-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.top-navbar .admin-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.top-navbar .admin-badge i {
    color: var(--accent-blue);
}

/* Main Content Area */
.main-content {
    padding: 1.75rem;
    flex-grow: 1;
}

/* Cards */
.card {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-bottom: 1.5rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
    border-color: var(--border-light) !important;
}

.card-header {
    background-color: transparent !important;
    border-bottom: 1px solid var(--border-color) !important;
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5, .card-header h6 {
    margin: 0;
    font-weight: 600;
}

.card-body {
    padding: 1.25rem;
}

/* Stat Cards */
.stat-card {
    border-radius: 10px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stat-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent-blue);
}

.stat-card.stat-success::before { background-color: var(--success-green); }
.stat-card.stat-warning::before { background-color: var(--warning-yellow); }
.stat-card.stat-danger::before { background-color: var(--danger-red); }
.stat-card.stat-info::before { background-color: var(--accent-blue); }
.stat-card.stat-secondary::before { background-color: var(--text-muted); }

.stat-card .stat-icon {
    position: absolute;
    right: 1.25rem;
    top: 1.25rem;
    font-size: 2.5rem;
    opacity: 0.15;
    color: #fff;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.stat-card .stat-value {
    font-size: 1.9rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.1;
}

.stat-card .stat-sub {
    font-size: 0.775rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Tables */
.table-responsive {
    border-radius: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
    margin-bottom: 0;
    vertical-align: middle;
}

.table th {
    background-color: rgba(22, 27, 34, 0.8) !important;
    color: var(--text-secondary) !important;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color) !important;
    padding: 0.85rem 1rem;
    white-space: nowrap;
}

.table td {
    border-bottom: 1px solid var(--border-color) !important;
    padding: 0.85rem 1rem;
    font-size: 0.88rem;
    background-color: transparent !important;
    color: var(--text-primary) !important;
}

.table tbody tr {
    transition: background-color 0.15s ease-in-out;
}

.table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03) !important;
}

/* License Key Styling */
.license-key-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.875rem;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.55rem;
    border-radius: 6px;
}

.license-key-text {
    cursor: pointer;
    user-select: all;
    letter-spacing: 0.5px;
}

.license-key-text.masked {
    color: var(--text-secondary);
}

.license-key-text.revealed {
    color: #58a6ff;
    font-weight: 600;
}

.btn-copy-key {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0 0.2rem;
    font-size: 0.95rem;
    cursor: pointer;
    transition: color 0.15s ease;
}

.btn-copy-key:hover {
    color: var(--accent-blue);
}

/* Badges */
.badge {
    font-weight: 600;
    letter-spacing: 0.3px;
    padding: 0.35em 0.7em;
    border-radius: 6px;
    font-size: 0.75rem;
}

.badge-status-active {
    background-color: rgba(63, 185, 80, 0.15) !important;
    color: #3fb950 !important;
    border: 1px solid rgba(63, 185, 80, 0.4);
}

.badge-status-pending {
    background-color: rgba(210, 153, 34, 0.15) !important;
    color: #d29922 !important;
    border: 1px solid rgba(210, 153, 34, 0.4);
}

.badge-status-unused {
    background-color: rgba(88, 166, 255, 0.15) !important;
    color: #58a6ff !important;
    border: 1px solid rgba(88, 166, 255, 0.4);
}

.badge-status-expired {
    background-color: rgba(139, 148, 158, 0.15) !important;
    color: #8b949e !important;
    border: 1px solid rgba(139, 148, 158, 0.4);
    text-decoration: line-through;
}

.badge-status-revoked {
    background-color: rgba(248, 81, 73, 0.15) !important;
    color: #f85149 !important;
    border: 1px solid rgba(248, 81, 73, 0.4);
}

/* Expiry Days Indicators */
.expiry-indicator {
    font-weight: 600;
    font-size: 0.82rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.expiry-green {
    color: #3fb950 !important;
}

.expiry-warning {
    color: #d29922 !important;
}

.expiry-red {
    color: #f85149 !important;
}

.expiry-expired {
    color: #8b949e !important;
    text-decoration: line-through;
}

/* Form Controls in Dark Theme */
.form-control, .form-select {
    background-color: var(--bg-input) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: 6px;
    font-size: 0.9rem;
    padding: 0.55rem 0.85rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus, .form-select:focus {
    background-color: #0b0f14 !important;
    border-color: var(--accent-blue) !important;
    color: #fff !important;
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2) !important;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-select option {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.form-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
}

/* Buttons */
.btn {
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    transition: all 0.15s ease;
}

.btn-primary {
    background-color: #1f6feb !important;
    border-color: #1f6feb !important;
    color: #fff !important;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: #388bfd !important;
    border-color: #388bfd !important;
}

.btn-success {
    background-color: #238636 !important;
    border-color: #238636 !important;
    color: #fff !important;
}

.btn-success:hover, .btn-success:focus {
    background-color: #2ea043 !important;
    border-color: #2ea043 !important;
}

.btn-warning {
    background-color: #9e6a03 !important;
    border-color: #9e6a03 !important;
    color: #fff !important;
}

.btn-warning:hover, .btn-warning:focus {
    background-color: #bb8009 !important;
    border-color: #bb8009 !important;
}

.btn-danger {
    background-color: #da3633 !important;
    border-color: #da3633 !important;
    color: #fff !important;
}

.btn-danger:hover, .btn-danger:focus {
    background-color: #f85149 !important;
    border-color: #f85149 !important;
}

.btn-secondary {
    background-color: #21262d !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

.btn-secondary:hover, .btn-secondary:focus {
    background-color: #30363d !important;
    border-color: var(--border-light) !important;
    color: #fff !important;
}

.btn-outline-secondary {
    border-color: var(--border-color) !important;
    color: var(--text-secondary) !important;
}

.btn-outline-secondary:hover {
    background-color: #21262d !important;
    border-color: var(--border-light) !important;
    color: #fff !important;
}

.btn-sm {
    padding: 0.28rem 0.65rem;
    font-size: 0.8rem;
}

/* Modals */
.modal-content {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    color: var(--text-primary) !important;
}

.modal-header {
    border-bottom: 1px solid var(--border-color) !important;
    padding: 1rem 1.5rem;
}

.modal-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.modal-footer {
    border-top: 1px solid var(--border-color) !important;
    padding: 1rem 1.5rem;
}

/* Pagination */
.pagination {
    margin: 0;
    gap: 0.25rem;
}

.page-item .page-link {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
    color: var(--text-secondary) !important;
    border-radius: 6px;
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
}

.page-item .page-link:hover {
    background-color: var(--bg-card-hover) !important;
    border-color: var(--border-light) !important;
    color: #fff !important;
}

.page-item.active .page-link {
    background-color: var(--accent-blue) !important;
    border-color: var(--accent-blue) !important;
    color: #0d1117 !important;
    font-weight: 700;
}

.page-item.disabled .page-link {
    background-color: transparent !important;
    border-color: var(--border-color) !important;
    color: var(--text-muted) !important;
}

/* Empty State */
.empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3.5rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: block;
}

.empty-state h5 {
    color: #fff;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.9rem;
    max-width: 420px;
    margin: 0 auto 1.25rem auto;
}

/* Toast Container */
.toast-container {
    z-index: 9999;
}

.toast {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    border-radius: 8px;
}

.toast.toast-success {
    border-left: 4px solid var(--success-green) !important;
}

.toast.toast-danger {
    border-left: 4px solid var(--danger-red) !important;
}

.toast.toast-warning {
    border-left: 4px solid var(--warning-yellow) !important;
}

.toast.toast-info {
    border-left: 4px solid var(--accent-blue) !important;
}

.toast-header {
    background-color: rgba(255, 255, 255, 0.03) !important;
    border-bottom: 1px solid var(--border-color) !important;
    color: #fff !important;
}

.toast-header .btn-close {
    filter: invert(1);
}

/* Code block & JSON viewer */
pre.code-preview {
    background-color: #0d1117 !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px;
    padding: 0.75rem;
    font-size: 0.8rem;
    color: #79c0ff !important;
    max-height: 250px;
    overflow-y: auto;
    margin: 0;
}

/* Login Page Wrapper & Card */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: radial-gradient(circle at 50% 20%, #1c2128 0%, #0f1117 80%);
}

.login-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    width: 100%;
    max-width: 440px;
    padding: 2rem;
}

/* Responsive Styles */
@media (max-width: 991.98px) {
    #sidebar-wrapper {
        margin-left: calc(-1 * var(--sidebar-width));
        position: fixed;
        height: 100vh;
    }
    #sidebar-wrapper.toggled {
        margin-left: 0;
    }
    .main-content {
        padding: 1rem;
    }
}